Whether or not IRFB or ERFB is exposed to the combined effect
of the mines’ ESC and individual MN, it is not true that the higher
the mine-declared human-oriented level is, the better it is. The
proven hypotheses 1a and 1b illustrate that if the mine declared
human-oriented level goes beyond the actual needs of the miners,
thereby creating perceived organizational expectations that are too
high for the miners to reach, this may impose a blocking pressure